First lady Michelle Obama, seen with the president and daughters Malia (right) and Sasha, has been a bitter mood lately, heaping criticism on the Republican Party as her husband campaigns for re-election. (Associated Press)

First lady Michelle Obama, seen with the president and daughters Malia (right) and Sasha, has been a bitter mood lately, heaping criticism on the Republican Party as her husband campaigns for re-election. (Associated Press)